Home / 10,693.16-16,041.75-4,118.78

Finding the Fourth Proportional to 10,693.16, 16,041.75 and 4,118.78

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Solution

The fourth proportional to 10,693.16, 16,041.75 and 4,118.78 is: 6,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693.16 : 16,041.75 = 4,118.78 : x
  2. Step 2: Convert to fraction form
    10,693.16/16,041.75 = 4,118.78/x
  3. Step 3: Cross multiply
    10,693.16x = 16,041.75 × 4,118.78
  4. Step 4: Simplify right side
    10,693.16x = 66,072,439.07
  5. Step 5: Solve for x
    x = 66,072,439.07/10,693.16
  6. Step 6: Final answer
    x = 6,178.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.